It's claimed commuters using the Thameslink rail line which runs from Bedford to London may have to wait longer for improved services.
While changes have been made, including longer trains and the current redevelopment of Blackfriars and London Bridge stations, the National Audit Office is concerned progress is too slow.
More top news
A military medic from Cambridge who survived Ebola says that she had no qualms about trying the experimental drug MIL 77.
A police officer from Northampton is being held on suspicion of murdering his wife.
It will be a windy weekend with occasional outbreaks of rain.